The study on electromagnetic compatibility of DC electric motor in HAPS

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The study on electromagnetic compatibility of DC electric motor in HAPS

Geng, Junping / Jin, Ronghong / Fan, Yu / Liu, Bo / Li, Jiaqiang / Cheng, Yuebo / Wang, Zhongyuan

AbstractThe electromagnetic compatibility (EMC) problem of high altitude platform systems (HAPS) is investigated in this paper. A physical model for electromagnetic interferences (EMI) of electromagnetic radiation of spark discharge in DC electric motor is proposed. Based on this model, EMI frequency points has been estimated by approximative equation for the given structure and size of a motor, and EMI frequency points, peak values that received by the ports of antennas and far-field pattern have been calculated. The estimated results are consistent with the calculated ones. These frequency bands and spatial directions with max EMI should be avoided in the valid information when the HAPS system is being designed. Two methods are taken to shield electromagnetic radiation, either to mount a metal plate near the DC electric motor (EMI source), or to mount a perfect conductor board near the antenna array (sensitive element), are valid to shield electromagnetic radiation, but to mount a metal plate near the EMI source is more effective.

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Document information

Title :

The study on electromagnetic compatibility of DC electric motor in HAPS

Contributors:

Geng, Junping (author) / Jin, Ronghong (author) / Fan, Yu (author) / Liu, Bo (author) / Li, Jiaqiang (author) / Cheng, Yuebo (author) / Wang, Zhongyuan (author)

Published in:

Aerospace Science and Technology ; 9 , 7 ; 617-625

Publication date :

2005-01-03

Size :

9 pages

ISSN :

1270-9638

DOI :

https://doi.org/10.1016/j.ast.2005.01.004

Type of media :

Article (Journal)